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Apache Solr (module: core)
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.solr.search.join;
import org.apache.lucene.search.Query;
/**
* Frontier Query represents the next hop of a GraphTraversal. It contains the query to execute and
* the number of edges to traverse.
*
* @lucene.internal
*/
class FrontierQuery {
private final Query query;
private final Integer frontierSize;
public FrontierQuery(Query query, Integer frontierSize) {
super();
this.query = query;
this.frontierSize = frontierSize;
}
/** Return the query that represents the frontier at the current level. */
public Query getQuery() {
return query;
}
/** Return the number of edges in the frontier query. */
public Integer getFrontierSize() {
return frontierSize;
}
}